BE862106A - Procede de preparation d'electro-corindon fondu - Google Patents

Procede de preparation d'electro-corindon fondu

Info

Publication number
BE862106A
BE862106A BE183668A BE183668A BE862106A BE 862106 A BE862106 A BE 862106A BE 183668 A BE183668 A BE 183668A BE 183668 A BE183668 A BE 183668A BE 862106 A BE862106 A BE 862106A
Authority
BE
Belgium
Prior art keywords
corundum
electro
melted
preparation
melted electro
Prior art date
Application number
BE183668A
Other languages
English (en)
Original Assignee
Dynamit Nobel Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of BE862106A publication Critical patent/BE862106A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/14Anti-slip materials; Abrasives
    • C09K3/1409Abrasive particles per se
    • C09K3/1427Abrasive particles per se obtained by division of a mass agglomerated by melting, at least partially, e.g. with a binder
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/107Refractories by fusion casting
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/02Amorphous compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/32Thermal properties
    • C01P2006/33Phase transition temperatures
    • C01P2006/36Solid to solid transition temperatures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Glass Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
BE183668A 1976-12-22 1977-12-21 Procede de preparation d'electro-corindon fondu BE862106A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2658124A DE2658124C3 (de) 1976-12-22 1976-12-22 Verfahren zur Herstellung von Elektroschmelzkorund

Publications (1)

Publication Number Publication Date
BE862106A true BE862106A (fr) 1978-04-14

Family

ID=5996232

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183668A BE862106A (fr) 1976-12-22 1977-12-21 Procede de preparation d'electro-corindon fondu

Country Status (10)

Country Link
US (1) US4177235A (fr)
JP (1) JPS5379797A (fr)
AT (1) AT373567B (fr)
BE (1) BE862106A (fr)
CA (1) CA1107938A (fr)
DE (1) DE2658124C3 (fr)
ES (1) ES465278A1 (fr)
FR (1) FR2375153A1 (fr)
GB (1) GB1592267A (fr)
IT (1) IT1113264B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029817A (en) * 1978-09-06 1980-03-26 Thorn Electrical Ind Ltd Sealing of ceramic and cermet partds
BR8208093A (pt) * 1982-09-30 1984-08-14 Ford Motor Co Processo para a preparacao de um objeto que compreende nitreto de silicio;processo para a formacao de um produto de nitreto de silicio termicamente fundido
US4623498A (en) * 1982-09-30 1986-11-18 Ceradyne Advanced Products, Inc. Method of improving quality of hot pressed Si3 N4 bodies
JPS61179009A (ja) * 1985-01-31 1986-08-11 日本特殊陶業株式会社 高周波誘電体磁器
JPS61183163A (ja) * 1985-02-08 1986-08-15 日本特殊陶業株式会社 アルミナ磁器組成物
JPH01282195A (ja) * 1988-05-09 1989-11-14 Nippon Kenmazai Kogyo Kk アルミナ質単結晶粒とその製造方法及び研磨具
US5273619A (en) * 1988-05-09 1993-12-28 Japan Abrasive Co., Ltd. (Nihon Kenmazai Kogyo Kabushiki Kaisha) Method for producing mono-crystalline alumina grains
DE3842403C1 (fr) * 1988-12-16 1990-01-18 Radex-Heraklith Industriebeteiligungs Ag, Wien, At
JPH0424687U (fr) * 1990-06-22 1992-02-27
JPH09100179A (ja) * 1995-07-26 1997-04-15 Sumitomo Electric Ind Ltd 窒化ケイ素質多孔体およびその製造方法
DK0849989T3 (da) * 1996-07-09 2000-04-25 Europ Economic Community Bolus til drøvtyggere til elektronisk identifikation af en drøvtygger
DE102005045180B4 (de) * 2005-09-21 2007-11-15 Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh Kugelförmige Korundkörner auf Basis von geschmolzenem Aluminiumoxid sowie ein Verfahren zu ihrer Herstellung
JP4997953B2 (ja) * 2006-12-15 2012-08-15 日本軽金属株式会社 高純度α−アルミナの製造方法
DE102011087147B4 (de) * 2011-11-25 2015-02-26 C.A.R.R.D. Gmbh Titanoxidhaltige Aluminiumoxidpartikel auf Basis von im elektrischen Lichtbogenofen aus kalzinierter Tonerde geschmolzenem Korund sowie ein Verfahren zu deren Herstellung und ihre Verwendung
CN115259193A (zh) * 2022-06-27 2022-11-01 荥阳龙升磨料有限公司 一种白刚玉生产工艺及生产设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR491025A (fr) * 1917-12-26 1919-05-19 Norton Co Produit abrasif alumineux
FR677515A (fr) * 1929-06-27 1930-03-11 Fed Phosphorus Co Procédé de préparation d'abrasifs à base d'oxyde alumineux cristallin
US1966407A (en) * 1932-03-17 1934-07-10 Exolon Company Corundum product and process of producing the same
FR788862A (fr) * 1934-04-17 1935-10-18 Carborundum Co Produit réfractaire et son procédé de fabrication
US3106452A (en) * 1960-05-18 1963-10-08 Reynolds Metals Co Method for reducing the soda content of alumina
GB1111681A (en) * 1964-08-04 1968-05-01 British Aluminium Co Ltd Improvements in or relating to the calcination of alumina
US3479237A (en) * 1966-04-08 1969-11-18 Bell Telephone Labor Inc Etch masks on semiconductor surfaces
US3841904A (en) * 1972-12-11 1974-10-15 Rca Corp Method of making a metal silicide-silicon schottky barrier
US3839111A (en) * 1973-08-20 1974-10-01 Rca Corp Method of etching silicon oxide to produce a tapered edge thereon
JPS52140513A (en) * 1976-05-19 1977-11-24 Nippon Kenmazai Kougiyou Kk Fused alumina for indefinite form refractory aggregate
JPS52145415A (en) * 1976-05-28 1977-12-03 Showa Denko Kk Manufacture of electric fused alumina materials

Also Published As

Publication number Publication date
ATA912877A (de) 1983-06-15
DE2658124B2 (de) 1981-07-30
DE2658124A1 (de) 1978-07-06
US4177235A (en) 1979-12-04
FR2375153A1 (fr) 1978-07-21
FR2375153B1 (fr) 1983-04-29
CA1107938A (fr) 1981-09-01
DE2658124C3 (de) 1982-05-06
JPS5379797A (en) 1978-07-14
ES465278A1 (es) 1978-09-16
IT1113264B (it) 1986-01-20
AT373567B (de) 1984-02-10
JPS632889B2 (fr) 1988-01-21
GB1592267A (en) 1981-07-01

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